package com.lrs.java.j2se_self.collection;
import java.util.*;
public class Collection1 {
	
	public static void main(String[] args){
		Collection c = new ArrayList();
		c.add(new Integer(200));
		c.add("HelloWorld");
		c.clear();
		c.add("10");
		c.remove("10");
		boolean bool=c.contains("100");
		System.out.println(c.size());
		System.out.println(bool);
		System.out.println(c);
	}
	
}
